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Creating a dictionary from a csv file?
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In Clojure 1.3, How to read and write a file
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edited Nov 30 '17 at 15:47
answered Oct 13 '11 at 16:59
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What's better to use in PHP, $array[] = $value or array_push($array, $value)?
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153
No benchmarks, but I personally feel like $array[] is cleaner to look at, and honestly splittin...
Cron jobs and random times, within given hours
...andom as they could be. But $RANDOM only goes up to 32,767, and there are 50,400 seconds between 9am and 11pm, it'd be a little more complicated to randomize the seconds as well. Finally, since the start times are random and independent of each other, it's possible (but not very likely) that two o...
CSS opacity only to background color, not the text on it? [duplicate]
...) can be either <integer>s or <percentage>s, where the number 255 corresponds to 100%. A (alpha) can be a <number> between 0 and 1, or a <percentage>, where the number 1 corresponds to 100% (full opacity).
RGBa example
rgba(51, 170, 51, .1) /* 10% opaque green */
rgba(51...
How do I get class name in PHP?
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Since PHP 5.5 you can use class name resolution via ClassName::class.
See new features of PHP5.5.
<?php
namespace Name\Space;
class ClassName {}
echo ClassName::class;
?>
If you want to use this feature in your class meth...
Find the IP address of the client in an SSH session
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edited Sep 5 '16 at 7:06
cweiske
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Javascript: negative lookbehind equivalent?
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edited May 22 at 6:15
answered May 20 '18 at 12:32
Ok...
how to reference a YAML “setting” from elsewhere in the same YAML file?
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vavavava
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Best way to check for “empty or null value”
...y string equals any string of spaces when cast to char(n):
SELECT ''::char(5) = ''::char(5) AS eq1
, ''::char(5) = ' '::char(5) AS eq2
, ''::char(5) = ' '::char(5) AS eq3;
Result:
eq1 | eq2 | eq3
----+-----+----
t | t | t
Test for "null or empty string" with char(n):
SEL...